JS通过ActiveX读写ini配置文件

  String.prototype.trim = function(){
    return this.replace(/(^\s+)|(\s+$)/g, '');
  };

  IniConfig = function(iniFileName)  {
    this.iniFileName = iniFileName;
    this._iniSecDictionary = new Array();
    this.fso = new ActiveXObject("Scripting.FileSystemObject");
  }

  IniConfig.prototype._checkFile = function(){
    if (!this.fso.FileExists(this.iniFileName)){
      this.fso.CreateTextFile(this.iniFileName, true, true);
    }
  }

  IniConfig.prototype.load = function(){
    this._checkFile();
    var currSecName = null;
    var fs = this.fso.OpenTextFile(this.iniFileName, 1, false, -1);

    while (!fs.AtEndOfStream) {
      var strLine = fs.ReadLine().trim();
      if (strLine.length > 0){
        var firchCh = strLine.substr(0, 1);
        if (firchCh != ';'){
          if (firchCh == '['){
            var secName = strLine.substr(1, strLine.length - 2);
            currSecName = secName;
            this._iniSecDictionary[secName] = new Array();
          } else {
            var idx = strLine.indexOf('=');
            var strKey = strLine.substring(0, idx);
            var strVal = strLine.substr(idx + 1);
            if (currSecName == null){
              throw ("Ini文件格式不正确!");
            }
            this._iniSecDictionary[currSecName][strKey] = strVal;
          }
        }
      }
    }
    fs.Close();
    fs = null;
  }

  IniConfig.prototype.save = function(){
    this._checkFile();
    var dic = this._iniSecDictionary;
    var currSecName = null;
    var fs = this.fso.OpenTextFile(this.iniFileName, 2, true, -1);
    for (var sec in dic){
      fs.WriteLine('[' + sec + ']');
      for (var key in dic[sec]){
        fs.WriteLine(key + '=' + dic[sec][key]);
      }
    }
    fs.Close();
    fs = null;
  }

  IniConfig.prototype.get = function(secName, keyName) {
    var dic = this._iniSecDictionary;
    try{
      return dic[secName][keyName];
    } catch (e) {
      return '';
    }
  }

  IniConfig.prototype.set = function(secName, keyName, val) {
    var dic = this._iniSecDictionary;
    try {
      if (dic[secName] == null) {
        dic[secName] = new Array();
      }
      dic[secName][keyName] = val;
    } catch (e) {
      alert(e.message);
    }
  }

  try {
   var iniFile = new IniConfig("E:\\a.ini");
   iniFile.load();
   alert(iniFile.get("Shutdown","0CmdLine"));
   iniFile.set("Shutdown","0CmdLine","aaa");
   iniFile.set("Shutdown","0CmdLine","abc");
   iniFile.set("Shutdown", "1CmdLine", "bbb")
   iniFile.save();
  } catch(e) {
   alert(e.message);
  }